Robert Bugbee pauses to reflect for a moment when asked about the big deal recently completed by Diamond S Shipping and his former colleague at OMI Corp, Craig Stevenson.

Through a $1.65bn stock-for-stock merger with New York-listed Capital Product Partners, Stevenson finally has managed to take public the tanker owner he formed in 2007 and expanded in 2011.

Diamond S has suezmax crude tankers and MR product tankers, just as OMI did when it was led by chief executive Stevenson and president Bugbee before a $2.2bn